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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.commands;

import org.apache.doris.catalog.Env;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.util.Util;
import org.apache.doris.datasource.InternalCatalog;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.nereids.trees.plans.PlanType;
import org.apache.doris.qe.ConnectContext;

import java.util.Objects;

/**
 * Base class for AlterCatalog commands.
 */
public abstract class AlterCatalogCommand extends AlterCommand {
    protected final String catalogName;

    public AlterCatalogCommand(PlanType type, String catalogName) {
        super(type);
        this.catalogName = Objects.requireNonNull(catalogName, "Catalog name cannot be null");
    }

    protected void validate(ConnectContext ctx) throws Exception {
        Util.checkCatalogAllRules(catalogName);

        if (!Env.getCurrentEnv().getAccessManager().checkCtlPriv(ctx, catalogName, PrivPredicate.ALTER)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_CATALOG_ACCESS_DENIED,
                    ctx.getQualifiedUser(), catalogName);
        }

        if (catalogName.equals(InternalCatalog.INTERNAL_CATALOG_NAME)) {
            throw new Exception("Internal catalog cannot be altered.");
        }
    }

    public String getCatalogName() {
        return catalogName;
    }
}
